3123311011242 has 32 divisors (see below), whose sum is σ = 6480645451200. Its totient is φ = 1002306684288.

The previous prime is 3123311011231. The next prime is 3123311011291. The reversal of 3123311011242 is 2421101133213.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25804267 + ... + 25925022.

It is an arithmetic number, because the mean of its divisors is an integer number (202520170350).

Almost surely, 2^{3123311011242} is an apocalyptic number.

3123311011242 is an abundant number, since it is smaller than the sum of its proper divisors (3357334439958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3123311011242 is a wasteful number, since it uses less digits than its factorization.

3123311011242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51729670.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 3123311011242 its reverse (2421101133213), we get a palindrome (5544412144455).

The spelling of 3123311011242 in words is "three trillion, one hundred twenty-three billion, three hundred eleven million, eleven thousand, two hundred forty-two".